55414987 has 2 divisors, whose sum is σ = 55414988. Its totient is φ = 55414986.

The previous prime is 55414939. The next prime is 55415047. The reversal of 55414987 is 78941455.

55414987 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 55414987 - 2¹⁵ = 55382219 is a prime.

It is not a weakly prime, because it can be changed into another prime (55414187) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27707493 + 27707494.

It is an arithmetic number, because the mean of its divisors is an integer number (27707494).

Almost surely, 2^55414987 is an apocalyptic number.

55414987 is a deficient number, since it is larger than the sum of its proper divisors (1).

55414987 is an equidigital number, since it uses as much as digits as its factorization.

55414987 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 201600, while the sum is 43.

The square root of 55414987 is about 7444.1243272799. The cubic root of 55414987 is about 381.2493207190.

The spelling of 55414987 in words is "fifty-five million, four hundred fourteen thousand, nine hundred eighty-seven".